Bulletin of the Museum of Comparative Zoology, 

 AT HARVARD COLLEGE. 



VOL. XI. No. 4. 



REPORTS ON THE RESULTS OF DREDGING, UNDER THE 



SUPERVISION OF ALEXANDER AGASSIZ, ON THE EAST 



COAST OF THE UNITED STATES, DURING THE SUMMER 



. OF 1880, BY THE U. S. COAST SURVEY STEAMER " BLAKE," 



COMMANDER J. R. BARTLETT, U. S. N., COMMANDING. 



(Published by permission of CAKLILE P. PATTERSON and J. E. 

 HILGAUD, Supts. U. S. Coast and Geodetic Survey.) 



XXIII. REPORT ON THE ISOPODA. 

 BY OSCAR HARGER. 



CAMBRIDGE : 



PRINTED FOR THE MUSEUM. 

 SEPTEMBER, 1883. 



